Pound the chicken breasts down to a 1/4" thickness. In a largeglass bowl, make the marinade by mixing together the butter andhot pepper sauce. Add the chicken into the marinade, turning tocoat; cover and refrigerate 15 - 30 minutes. Preheat the oven to400. Remove the chicken from the marinade and spoon 1 tablespoonof the blue cheese onto the center of each chicken breast. Fold inthe sides, rolling the chicken around the blue cheese. Secure withwooden picks. Place the chicken rolls in a baking pan. Bake for30 minutes or until chicken is fork tender. Set the temperaturecontrol at broil or 450. Arrange the oven rack so the chicken isabout 8 inches from the heat. Broil the chicken for about 5 minutesor until brown. Remove the wooden picks from the chicken. Arrangelettuce and chicken on platter. Garnish with celery and remainingblue cheese.